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    • 38. 发明专利
    • Optical wavelength multiplexer/demultiplexer
    • 光波长多路复用器/解复用器
    • JP2003035830A
    • 2003-02-07
    • JP2001342207
    • 2001-11-07
    • Furukawa Electric Co Ltd:The古河電気工業株式会社
    • KOMATSU TAKUYANARA KAZUTAKAKASHIWABARA KAZUHISA
    • G02B6/12G02B6/34G02F1/313
    • G02B6/12019G02B6/12G02B6/12007G02B6/12026G02B6/12028G02B6/12033G02B6/29355G02B6/2938G02B6/29395G02B6/29398G02B2006/12159
    • PROBLEM TO BE SOLVED: To provide an optical wavelength multiplexer/demultiplexer with which the central wavelength of light transmission which is multiplexed and demultiplexed is easily made approach to a designed wavelength and a loss and an adjacent crosstalk are small. SOLUTION: An optical multiplexer/demultiplexer circuits 8 (8A, 8B and 8C) such as Mach-Zehnder optical interferometers having a wavelength multiplexing/demultiplexing function formed with an optical waveguide are formed on different substrates 1 (1A, 1B and 1C), respectively, and a plurality of optical waveguide circuit chips 7 (7A, 7B and 7C) are formed, and the plurality of the optical waveguide circuit chips 7 (7A, 7B and 7C) are connected with optical fibers 2. Temperature control means 5 (5A, 5B and 5C) which regulate the central wavelength of light transmission corresponding to the optical multiplexer/demultiplexer circuits 8 (8A, 8B and 8C) by controlling the temperature of the optical waveguide circuit chips 7 (7A, 7B and 7C) are provided on the optical waveguide circuit chips 7 (7A, 7B and 7C), respectively.
    • 要解决的问题:提供一种光波分复用器/解复用器,其中复用和解复用的光传输的中心波长容易接近设计的波长,损耗和相邻串扰较小。 解决方案:分别在不同的基板1(1A,1B和1C)上形成具有由光波导形成的波分复用/解复用功能的诸如马赫 - 曾德尔光学干涉仪的光复用器/解复用器电路8(8A,8B和8C) ,并且形成多个光波导路电路芯片7(7A,7B,7C),多个光波导路电路芯片7(7A,7B,7C)与光纤2连接。温度控制单元5(5A 通过控制光波导电路芯片7(7A,7B和7C)的温度来调节与光复用器/解复用器电路8(8A,8B和8C)相对应的光传输的中心波长,5B,5C设置在 光波导电路芯片7(7A,7B,7C)。